NUMBER
TYPE
BUS-12-075
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Friction Latch Header Connector
1 of 8
AUTHORIZED BY
DATE
E
01 July 15
J.ZHOU
CLASSIFICATION
UNRESTRICTED
1.0
GENERAL
1.1
Scope
This specification covers the Friction Latch Header Connector, a header designed for use in low-
power applications requiring a printed wiring board mounted straight or right angle disconnect. The
header provides only the male half of the interconnection, using 0.025 square female Mini Latch
Housing connector to complete the connection. This product can be Lead Free and meets the
requirements of the European union Directive of Restrictions for Hazardous Substances (directive
2002/95/EC. The friction latch, provided by long plastic ledges, act as locking system with female
housing to prevent unmating, due to vibration in operation. The specification is composed of the
following sections:
Paragraph
1.0
1.1
1.2
2.0
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
4.0
4.1
4.2
4.3
4.4
1.2
Type
The connector shall be available in one of the following type classifications, as limited by the
appropriate product drawing.
Type
I
II
III
IV
V
VI
VII
Plating
Gold Flash
15 microinches Gold on contact and tail, optional
78~295
microinches tin on tail
30 microinches Gold on contact and tail, optional
78~295
microinches tin on tail
50 microinches Gold on contact and tail, optional
78~295
microinches tin on tail
Tin-Lead
15 microinches Palladium Alloy on contact and tail, optional
78~295
microinches tin on tail
30 microinches Palladium Alloy on contact and tail, optional
78~295
microinches tin on tail
Title
GENERAL
Scope
Type
APPLICABLE DOCUMENTS
REQUIREMENTS
Qualification
Material
Finish
Design and Construction
Electrical Characteristics
Mechanical Characteristics
Environmental Conditions
Solderability
QUALITY ASSURANCE PROVISIONS
Equipment Calibration
Inspection Conditions
Qualification Inspection
Acceptance
Page
1
1
1
2
2
2
2
3
3
4
4
5
5
5
Copyright
Form E-3334
Rev E
FCI
GS-01-001
PDS: Rev :E
STATUS:Released
Printed: Jul 09, 2015
NUMBER
TYPE
BUS-12-075
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Friction Latch Header Connector
2 of 8
AUTHORIZED BY
DATE
E
01 July 15
J.ZHOU
CLASSIFICATION
UNRESTRICTED
2.0
APPLICABLE DOCUMENTS
The following documents, of the issue in effect on the date of the latest revision of this specification, shall
form a part of this specification to the extent specified herein.
Military Specifications
MIL-F-14256
MIL-G-45204
MIL-P-45209
MIL-P-55110
MIL-P-81728
Flux, Soldering, Liquid (Rosin Base), Activated
Gold Plating, Electrodeposited
Palladium Plating, Electrodeposited
Printed Wiring Boards
Plating, Tin-Lead (Electrodeposited)
Federal Specifications
QQ-N-290
QQ-W-343
QQ-S-571
Nickel Plating (Electrodeposited)
Wire, Electrical and Nonelectrical, Copper (uninsulated)
Solder: Lead Alloy, Tin-Lead Alloy, and Tin Alloy, Flux Cored Ribbon and Wire, and Solid
Form
Military Standards
MIL-STD-105
MIL-STD-202
MIL-STD-275
MIL-STD-1130
MIL-STD-1344
MIL-STD-45662
Sampling Procedures and Tables for Inspection by Attributes
Test Methods for Electrical and Electronic Component Parts
Printed Wiring for Electronic Equipment
Connections, Electrical, Solderless Wrapped
Test Methods for Electrical Connectors
Calibration System Requirements
Industry Specifications/Standards
UL-94
ASTM B-159
ASTM D-4066
Tests for Flammability of Plastic Materials
Phosphor Bronze Wire
Reinforced and Filled Nylon Injection Molding and Extrusion Materials
FCI Labs Reports-Supporting Data
ZA5-2625
3.0
REQUIREMENTS
3.1
Qualification
Connectors furnished under this specification shall be products capable of meeting the qualification
test requirements specified herein.
3.2
Material
The material for each part shall be as specified herein, or equivalent. Substitute material shall meet
the performance requirements of this specification.
Copyright
Form E-3334
Rev E
PDS: Rev :E
FCI
GS-01-001
STATUS:Released
Printed: Jul 09, 2015
L ead Free Plating investigation
NUMBER
TYPE
BUS-12-075
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Friction Latch Header Connector
3 of 8
AUTHORIZED BY
DATE
E
01 July 15
J.ZHOU
CLASSIFICATION
UNRESTRICTED
3.2.1
Contact. The contact shall be Phosphor Bronze Alloy UNS C51000 in accordance with
ASTM B-159 or other copper alloy as specified on the product drawing.
Insulator. The insulator shall be glass- or mineral-filled nylon in accordance with ASTM
D-4066. All plastic material shall be rated V-0 in accordance with UL-94.
3.2.2
3.3
Finish
3.3.1
Types I through IV. The contact shall be plated with the specified minimum thickness
(see 1.2) of gold over 50 microinches, minimum, of nickel. The gold deposit shall meet
the requirements of MIL-G-45204, Type II, Grade C and the nickel deposit shall meet the
requirements of QQ-N-290, Class 2. Noncritical areas, such as the sheared pin tip, may
have exposed base metal.
Type V. The contact shall be plated with 150 microinches, minimum, of 93/7 tin-lead or
100-150 microinches pure tin for lead free option over 50 microinches of nickel.The tin-
lead deposit shall meet the requirements of MIL-P-81728. Noncritical areas, such as the
sheared pin tip, may have exposed base metal.
Type VI and VII. The contact shall be plated with a thin gold flash over the specified
minimum thickness (see 1.2) of palladium alloy over 50 microinches, minimum, of nickel.
The palladium alloy deposit shall meet the requirements of MIL-P-45209 and the nickel
deposit shall meet the requirements of QQ-N-290, Class 2. Noncritical areas, such as the
sheared pin tip, may have exposed base metal. Tin plated “LF” product has 100% tin
plating in the interface and has not been tested for whisker growth in all interconnect
environments.
3.3.2
3.3.3
3.4
Design and Construction
The connector shall be a multi-piece assembly having one or two rows of contacts with solder tail
terminations for installation in .040 inch diameter holes in printed wiring boards of standard
thickness. The connector contacts shall be insert molded or post-inserted in the insulator on a grid of
.100 inches and shall be available in straight or right-angle configurations. The contacts shall be
available in various above- and below-board lengths suitable for use as 0.025 inch square male
disconnects and soldertail lengths for various board thicknesses connections in accordance with
MIL-STD-1130.
3.4.1
Workmanship. Connectors shall be uniform in quality and shall be free from burrs,
scratches, cracks, voids, chips, blisters, holes, sharp edges, or other defects that will
adversely affect life or serviceability.
Copyright
Form E-3334
Rev E
FCI
GS-01-001
PDS: Rev :E
STATUS:Released
Printed: Jul 09, 2015
NUMBER
TYPE
BUS-12-075
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Friction Latch Header Connector
4 of 8
AUTHORIZED BY
DATE
E
01 July 15
J.ZHOU
CLASSIFICATION
UNRESTRICTED
3.5
Electrical Characteristics
3.5.1
Insulation Resistance. The insulation resistance of the unmated and unterminated
connector shall be not less than 5000 megohms when measured in accordance with MIL-
STD-1344, Method 3003. The following details shall apply:
a. Test Condition: 500 volts DC applied for 1 minute
b. Points of Measurement: Between individually paired adjacent and opposing contacts
3.5.2
Dielectric Withstanding Voltage. There shall be no evidence of arc-over, insulation
breakdown, or excessive leakage current (> 1 milliampere) when the unmated and
unterminated connector is tested in accordance with MIL-STD-1344, Method 3001. The
following details shall apply:
a.
b.
c.
d.
Test Potential: See Table I
Test Duration: 50 seconds
Test Condition: I (760 Torr - sea level)
Points of Measurement: Between individually paired adjacent and opposing contacts.
TABLE I - DIELECTRIC WITHSTANDING VOLTAGE
Contact Spring
(inch)
.100
3.5.3
Test Voltage
(VRMS)
1500
Capacitance. The capacitance between adjacent or opposing contacts in an unmated
and unterminated connector shall not exceed 2.0 picofarads when measured in
accordance with MIL-STD-202, Method 305, at a frequency of 100 kilohertz.
3.6
Mechanical Characteristics
3.6.1
Contact Retention. Individual contacts in an unterminated connector shall withstand a
load of 3.0 pounds applied in either direction, along the contact axis, without
dislodgement from the insulator.
Copyright
Form E-3334
Rev E
FCI
GS-01-001
PDS: Rev :E
STATUS:Released
Printed: Jul 09, 2015
NUMBER
TYPE
BUS-12-075
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Friction Latch Header Connector
5 of 8
AUTHORIZED BY
DATE
E
01 July 15
J.ZHOU
CLASSIFICATION
UNRESTRICTED
3.7
Environmental Conditions
3.7.1
Thermal Shock. After exposure of an unmated and unterminated connector to alternate
periods of extreme high and low temperature, there shall be no evidence of cracking or
crazing of the insulator or other physical damage to the connector. The dielectric
withstanding voltage shall be not less than 750 volts RMS 60 Hz (see 3.5.2). The test
shall be in accordance with MIL-STD-202, Method 107. The following details shall apply:
a. Test Conditions: B (1 hour cycles)
b. Temperature Range: -65o to 125oC
3.7.2
High Temperature Life. After exposure of an unmated and unterminated connector to a
high temperature operating environment, the insulation resistance of the connector shall
be not less than 5,000 megohms (see 3.5.1). The test shall be in accordance with MIL-
STD-202, Method 108. The following details shall apply:
a. Test Chamber Temperature: 125oC
b. Test Condition (Duration): B (250 hours)
c. Operating Conditions: No current
3.8
Solderability
No less than 90% of the dipped surface of the solder leg shall be wet when each solder leg is dipped
in a solder bath. The test shall be in accordance with MIL-STD-202, Method 208 C, and the
following details shall apply:
a. Flux: Alpha 100, GX-5 or GX-7
b. Solder: 60/40 Tin-Lead
c. Flux Immersion Time: 5 to 10 seconds
d. Solder Temperature: 230
±5
oC
e. Dipping Time: 3
±
0.5 seconds
4.0
QUALITY ASSURANCE PROVISIONS
4.1
Equipment Calibration
All test equipment and inspection facilities used in the performance of any test shall be maintained in
a calibration system in accordance with MIL-C-45662.
Copyright
Form E-3334
Rev E
FCI
GS-01-001
PDS: Rev :E
STATUS:Released
Printed: Jul 09, 2015
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